{"instruction": "You are an expert in event argument extraction. Please extract event arguments and their roles from the input that conform to the schema definition, which already includes event trigger words. If an argument does not exist, return NAN or an empty dictionary. Please respond in the format of a JSON string.", "schema": [{"event_type": "potential therapeutic event", "arguments": ["Combination.Drug", "Treatment.Dosage", "Treatment", "Subject", "Subject.Population", "Treatment.Disorder", "Subject.Disorder", "Treatment.Time_elapsed", "Subject.Gender", "Subject.Race", "Treatment.Duration", "Treatment.Freq", "Treatment.Route", "Subject.Age", "Effect", "Treatment.Drug"]}], "input": "In the present paper, we describe two patients with active UC who developed a severe systemic CMV infection during a treatment with an oral microemulsion form of cyclosporine."}
{"potential therapeutic event": []}